mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 00:48:52 +09:00
![Simon Glass](/assets/img/avatar_default.png)
Move env_get_ulong() over to the new header file. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
303 lines
6.1 KiB
C
303 lines
6.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2018 Synopsys, Inc. All rights reserved.
|
|
* Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
|
|
*/
|
|
|
|
#include "env-lib.h"
|
|
#include <env.h>
|
|
|
|
#define MAX_CMD_LEN 25
|
|
|
|
static void env_clear_common(u32 index, const struct env_map_common *map)
|
|
{
|
|
map[index].val->val = 0;
|
|
map[index].val->set = false;
|
|
}
|
|
|
|
static int env_read_common(u32 index, const struct env_map_common *map)
|
|
{
|
|
u32 val;
|
|
|
|
if (!env_get_yesno(map[index].env_name)) {
|
|
if (map[index].type == ENV_HEX) {
|
|
val = (u32)env_get_hex(map[index].env_name, 0);
|
|
debug("ENV: %s: = %#x\n", map[index].env_name, val);
|
|
} else {
|
|
val = (u32)env_get_ulong(map[index].env_name, 10, 0);
|
|
debug("ENV: %s: = %d\n", map[index].env_name, val);
|
|
}
|
|
|
|
map[index].val->val = val;
|
|
map[index].val->set = true;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void env_clear_core(u32 index, const struct env_map_percpu *map)
|
|
{
|
|
for (u32 i = 0; i < NR_CPUS; i++) {
|
|
(*map[index].val)[i].val = 0;
|
|
(*map[index].val)[i].set = false;
|
|
}
|
|
}
|
|
|
|
static int env_read_core(u32 index, const struct env_map_percpu *map)
|
|
{
|
|
u32 val;
|
|
char command[MAX_CMD_LEN];
|
|
|
|
for (u32 i = 0; i < NR_CPUS; i++) {
|
|
sprintf(command, "%s_%u", map[index].env_name, i);
|
|
if (!env_get_yesno(command)) {
|
|
if (map[index].type == ENV_HEX) {
|
|
val = (u32)env_get_hex(command, 0);
|
|
debug("ENV: %s: = %#x\n", command, val);
|
|
} else {
|
|
val = (u32)env_get_ulong(command, 10, 0);
|
|
debug("ENV: %s: = %d\n", command, val);
|
|
}
|
|
|
|
(*map[index].val)[i].val = val;
|
|
(*map[index].val)[i].set = true;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int env_validate_common(u32 index, const struct env_map_common *map)
|
|
{
|
|
u32 value = map[index].val->val;
|
|
bool set = map[index].val->set;
|
|
u32 min = map[index].min;
|
|
u32 max = map[index].max;
|
|
|
|
/* Check if environment is mandatory */
|
|
if (map[index].mandatory && !set) {
|
|
pr_err("Variable \'%s\' is mandatory, but it is not defined\n",
|
|
map[index].env_name);
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Check environment boundary */
|
|
if (set && (value < min || value > max)) {
|
|
if (map[index].type == ENV_HEX)
|
|
pr_err("Variable \'%s\' must be between %#x and %#x\n",
|
|
map[index].env_name, min, max);
|
|
else
|
|
pr_err("Variable \'%s\' must be between %u and %u\n",
|
|
map[index].env_name, min, max);
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int env_validate_core(u32 index, const struct env_map_percpu *map,
|
|
bool (*cpu_used)(u32))
|
|
{
|
|
u32 value;
|
|
bool set;
|
|
bool mandatory = map[index].mandatory;
|
|
u32 min, max;
|
|
|
|
for (u32 i = 0; i < NR_CPUS; i++) {
|
|
set = (*map[index].val)[i].set;
|
|
value = (*map[index].val)[i].val;
|
|
|
|
/* Check if environment is mandatory */
|
|
if (cpu_used(i) && mandatory && !set) {
|
|
pr_err("CPU %u is used, but \'%s_%u\' is not defined\n",
|
|
i, map[index].env_name, i);
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
min = map[index].min[i];
|
|
max = map[index].max[i];
|
|
|
|
/* Check environment boundary */
|
|
if (set && (value < min || value > max)) {
|
|
if (map[index].type == ENV_HEX)
|
|
pr_err("Variable \'%s_%u\' must be between %#x and %#x\n",
|
|
map[index].env_name, i, min, max);
|
|
else
|
|
pr_err("Variable \'%s_%u\' must be between %d and %d\n",
|
|
map[index].env_name, i, min, max);
|
|
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void envs_cleanup_core(const struct env_map_percpu *map)
|
|
{
|
|
/* Cleanup env struct first */
|
|
for (u32 i = 0; map[i].env_name; i++)
|
|
env_clear_core(i, map);
|
|
}
|
|
|
|
void envs_cleanup_common(const struct env_map_common *map)
|
|
{
|
|
/* Cleanup env struct first */
|
|
for (u32 i = 0; map[i].env_name; i++)
|
|
env_clear_common(i, map);
|
|
}
|
|
|
|
int envs_read_common(const struct env_map_common *map)
|
|
{
|
|
int ret;
|
|
|
|
for (u32 i = 0; map[i].env_name; i++) {
|
|
ret = env_read_common(i, map);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int envs_validate_common(const struct env_map_common *map)
|
|
{
|
|
int ret;
|
|
|
|
for (u32 i = 0; map[i].env_name; i++) {
|
|
ret = env_validate_common(i, map);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int envs_read_validate_common(const struct env_map_common *map)
|
|
{
|
|
int ret;
|
|
|
|
envs_cleanup_common(map);
|
|
|
|
ret = envs_read_common(map);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = envs_validate_common(map);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int envs_read_validate_core(const struct env_map_percpu *map,
|
|
bool (*cpu_used)(u32))
|
|
{
|
|
int ret;
|
|
|
|
envs_cleanup_core(map);
|
|
|
|
for (u32 i = 0; map[i].env_name; i++) {
|
|
ret = env_read_core(i, map);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
for (u32 i = 0; map[i].env_name; i++) {
|
|
ret = env_validate_core(i, map, cpu_used);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int envs_process_and_validate(const struct env_map_common *common,
|
|
const struct env_map_percpu *core,
|
|
bool (*cpu_used)(u32))
|
|
{
|
|
int ret;
|
|
|
|
ret = envs_read_validate_common(common);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = envs_read_validate_core(core, cpu_used);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int args_envs_read_search(const struct env_map_common *map,
|
|
int argc, char *const argv[])
|
|
{
|
|
for (int i = 0; map[i].env_name; i++) {
|
|
if (!strcmp(argv[0], map[i].env_name))
|
|
return i;
|
|
}
|
|
|
|
pr_err("Unexpected argument '%s', can't parse\n", argv[0]);
|
|
|
|
return -ENOENT;
|
|
}
|
|
|
|
static int arg_read_set(const struct env_map_common *map, u32 i, int argc,
|
|
char *const argv[])
|
|
{
|
|
char *endp = argv[1];
|
|
|
|
if (map[i].type == ENV_HEX)
|
|
map[i].val->val = simple_strtoul(argv[1], &endp, 16);
|
|
else
|
|
map[i].val->val = simple_strtoul(argv[1], &endp, 10);
|
|
|
|
map[i].val->set = true;
|
|
|
|
if (*endp == '\0')
|
|
return 0;
|
|
|
|
pr_err("Unexpected argument '%s', can't parse\n", argv[1]);
|
|
|
|
map[i].val->set = false;
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
int args_envs_enumerate(const struct env_map_common *map, int enum_by,
|
|
int argc, char *const argv[])
|
|
{
|
|
u32 i;
|
|
|
|
if (argc % enum_by) {
|
|
pr_err("unexpected argument number: %d\n", argc);
|
|
return -EINVAL;
|
|
}
|
|
|
|
while (argc > 0) {
|
|
i = args_envs_read_search(map, argc, argv);
|
|
if (i < 0)
|
|
return i;
|
|
|
|
debug("ARG: found '%s' with index %d\n", map[i].env_name, i);
|
|
|
|
if (i < 0) {
|
|
pr_err("unknown arg: %s\n", argv[0]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (arg_read_set(map, i, argc, argv))
|
|
return -EINVAL;
|
|
|
|
debug("ARG: value.s '%s' == %#x\n", argv[1], map[i].val->val);
|
|
|
|
argc -= enum_by;
|
|
argv += enum_by;
|
|
}
|
|
|
|
return 0;
|
|
}
|